package nettypro.netty.http;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.*;
import io.netty.util.CharsetUtil;

import java.net.URI;

/**
 * @ClassName TestHttpServerHandler
 * @Description TODO
 * @Author zeny
 * @Date 2020/3/24 0024 10:34
 */
public class TestHttpServerHandler extends SimpleChannelInboundHandler<HttpObject> {
    @Override
    protected void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
        if (msg instanceof HttpRequest) {
            System.out.println("msg 类型 = " + msg.getClass());
            System.out.println("客户端地址 = " + ctx.channel().remoteAddress());

            HttpRequest request = (HttpRequest) msg;
            URI uri = new URI(request.uri());
            if ("/favicon.ico".equals(uri.getPath())) {
                System.out.println("请求了favicon.ico，不响应");
                return;
            }
            ChannelPipeline pipeline = ctx.pipeline();
            System.out.println(pipeline.hashCode());

            ByteBuf content = Unpooled.copiedBuffer("hello,我是服务器", CharsetUtil.UTF_8);
            FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, content);
            response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain");
            response.headers().set(HttpHeaderNames.CONTENT_LENGTH, content.readableBytes());
            ctx.writeAndFlush(response);
        }
    }
}
